<script setup>
import { User, Lock } from '@element-plus/icons-vue'
import { ref } from 'vue'
import {ElMessage} from 'element-plus'
//控制注册与登录表单的显示， 默认显示登录
const isRegister = ref(false)
//定义注册以及登录的数据模型
const registerData = ref({
    username:'',
    password:'',
    rePassword:''
})
//转换页面清空表单数据
const registerclear =() => {
    registerData.value.username='';
    registerData.value.password='';
    registerData.value.rePassword='';
}
//自定义校验标准函数
const checkRePassword = (rule,value,callback) =>{
    if(value === ''){
        //回调函数，执行回调函数中的代码
        callback(new Error('请输入确认密码'));
    }else if (value !== registerData.value.password){
        callback(new Error('请确保两次密码一致'));
    }else{
        callback();
    }
}

//表单数据校验
const rules = {
    username:[
        //校验规则，校验错误提示信息，校验触发时机
        {required:true,message:'请输入用户名',trigger:'blur'},
        {min:5,max:16,message:'控制用户名长度为5-16',trigger:'blur'}
        ],
    password:[
        {required:true,message:'请输入密码',trigger:"blur"},
        {min:5,max:16,message:'控制密码长度为5-16',trigger:'blur'}
    ],
    rePassword:[
        {validator:checkRePassword,trigger:'blur'}
    ]


}

import {userRegisterService,userLoginService} from '@/api/user'

// import {useRouter} from 'vue-router'
// const router = useRouter()
import router from '@/router';
const regist =async() =>{
    let result = await userRegisterService(registerData.value);
    ElMessage.success('注册成功')
}
import {useTokenStore} from '@/stores/token.js'
const tokenStore = useTokenStore();
const login = async() =>{
    let result = await userLoginService(registerData.value);
    ElMessage.success('登录成功');
    //跳转首页
    tokenStore.setToken(result.data);
    if(result.role == 0){
        router.push('/');
    }else if (result.role == 1){
        router.push('/editor');
    }else if(result.role == 2){
        router.push('/admin');
    }
    
    
}


</script>

<template>
    <el-row class="login-page">
        <el-col :span="12" class="bg"></el-col>
        <el-col :span="6" :offset="3" class="form">
            <!-- 注册表单 -->
            <el-form ref="form" size="large" autocomplete="off" v-if="isRegister" :model="registerData" :rules="rules">
                <el-form-item>
                    <h1>注册</h1>
                </el-form-item>
                <el-form-item prop="username">
                    <el-input :prefix-icon="User" placeholder="请输入用户名" v-model="registerData.username"></el-input>
                </el-form-item>
                <el-form-item prop="password">
                    <el-input :prefix-icon="Lock" type="password" placeholder="请输入密码" v-model="registerData.password"></el-input>
                </el-form-item>
                <el-form-item prop="rePassword">
                    <el-input :prefix-icon="Lock" type="password" placeholder="请输入再次密码" v-model="registerData.rePassword"></el-input>
                </el-form-item>
                <!-- 注册按钮 -->
                <el-form-item>
                    <el-button class="button" type="primary" auto-insert-space @click="regist">
                        注册
                    </el-button>
                </el-form-item>
                <el-form-item class="flex">
                    <el-link type="info" :underline="false" @click="isRegister = false;registerclear()" >
                        ← 登录
                    </el-link>
                </el-form-item>
            </el-form>
            <!-- 登录表单 -->
            <el-form ref="form" size="large" autocomplete="off" v-else :model="registerData" :rules="rules">
                <el-form-item>
                    <h1>登录</h1>
                </el-form-item>
                <el-form-item prop="username">
                    <el-input :prefix-icon="User" placeholder="请输入用户名" v-model="registerData.username"></el-input>
                </el-form-item>
                <el-form-item prop="password">
                    <el-input name="password" :prefix-icon="Lock" type="password" placeholder="请输入密码" v-model="registerData.password"></el-input>
                </el-form-item>

                <!-- 登录按钮 -->
                <el-form-item>
                    <el-button class="button" type="primary" auto-insert-space @click="login">登录</el-button>
                </el-form-item>
                <el-form-item class="flex">
                    <el-link type="info" :underline="false" @click="isRegister = true;registerclear()">
                        注册 →
                    </el-link>
                </el-form-item>
            </el-form>
        </el-col>
    </el-row>
</template>

<style lang="scss" scoped>
/* 样式 */
.login-page {
    height: 100vh;
    background-color: #fff;

    .bg {
        background: url('@/assets/logo2.png') no-repeat 60% center / 500px auto,
            url('@/assets/login_bg.jpg') no-repeat center / cover;
        border-radius: 0 20px 20px 0;
    }

    .form {
        display: flex;
        flex-direction: column;
        justify-content: center;
        user-select: none;

        .title {
            margin: 0 auto;
        }

        .button {
            width: 100%;
        }

        .flex {
            width: 100%;
            display: flex;
            justify-content: space-between;
        }
    }
}
</style>